Home / 17,087.94-25,634.64-5,403.90

Finding the Fourth Proportional to 17,087.94, 25,634.64 and 5,403.90

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Solution

The fourth proportional to 17,087.94, 25,634.64 and 5,403.90 is: 8,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.94 : 25,634.64 = 5,403.90 : x
  2. Step 2: Convert to fraction form
    17,087.94/25,634.64 = 5,403.90/x
  3. Step 3: Cross multiply
    17,087.94x = 25,634.64 × 5,403.90
  4. Step 4: Simplify right side
    17,087.94x = 138,527,031.10
  5. Step 5: Solve for x
    x = 138,527,031.10/17,087.94
  6. Step 6: Final answer
    x = 8,106.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.